mirror of
https://github.com/darlinghq/darling-gdb.git
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* configure.host: Add x86_64-*-freebsd*.
* configure.tgt: Add x86_64-*-freebsd*. * Makefile.in (amd64fbsd-nat.o, amd64fbsd-tdep.o): New targets. * amd64fbsd-nat.c: New file. * amd64fbsd-tdep.c: New file. * config/i386/nm-fbsd64.h: New file. * config/i386/fbsd64.mh: New file. * config/i386/fbsd64.mt: New file.
This commit is contained in:
Mark Kettenis
parent
974b2f82b1
commit
68cc0bfb7d
@ -1,3 +1,14 @@
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2003-07-13 Mark Kettenis <kettenis@gnu.org>
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* configure.host: Add x86_64-*-freebsd*.
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* configure.tgt: Add x86_64-*-freebsd*.
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* Makefile.in (amd64fbsd-nat.o, amd64fbsd-tdep.o): New targets.
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* amd64fbsd-nat.c: New file.
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* amd64fbsd-tdep.c: New file.
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* config/i386/nm-fbsd64.h: New file.
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* config/i386/fbsd64.mh: New file.
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* config/i386/fbsd64.mt: New file.
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2003-07-11 Mark Kettenis <kettenis@gnu.org>
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2003-07-11 Mark Kettenis <kettenis@gnu.org>
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* alpha-tdep.h (struct gdbarch_tdep): Add members `sc_pc_offset',
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* alpha-tdep.h (struct gdbarch_tdep): Add members `sc_pc_offset',
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@ -1529,6 +1529,11 @@ alphafbsd-tdep.o: alphafbsd-tdep.c $(defs_h) $(value_h) $(alpha_tdep_h) \
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alphanbsd-tdep.o: alphanbsd-tdep.c $(defs_h) $(gdbcore_h) $(frame_h) \
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alphanbsd-tdep.o: alphanbsd-tdep.c $(defs_h) $(gdbcore_h) $(frame_h) \
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$(regcache_h) $(value_h) $(solib_svr4_h) $(alpha_tdep_h) \
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$(regcache_h) $(value_h) $(solib_svr4_h) $(alpha_tdep_h) \
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$(alphabsd_tdep_h) $(nbsd_tdep_h) $(osabi_h)
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$(alphabsd_tdep_h) $(nbsd_tdep_h) $(osabi_h)
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amd64fbsd-nat.o: amd64fbsd-nat.o $(defs_h) $(inferior_h) $(regcache_h) \
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$(gdb_assert_h) $(gregset_h) $(x86_64_tdep_h)
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amd64fbsd-tdep.o: amd64fbsd-tdep.o $(defs_h) $(arch_utils_h) $(frame_h) \
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$(gdbcore_h) $(regcache_h) $(osabi_h) $(gdb_string_h) \
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$(x86_64_tdep_h)
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annotate.o: annotate.c $(defs_h) $(annotate_h) $(value_h) $(target_h) \
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annotate.o: annotate.c $(defs_h) $(annotate_h) $(value_h) $(target_h) \
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$(gdbtypes_h) $(breakpoint_h)
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$(gdbtypes_h) $(breakpoint_h)
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arch-utils.o: arch-utils.c $(defs_h) $(arch_utils_h) $(gdbcmd_h) \
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arch-utils.o: arch-utils.c $(defs_h) $(arch_utils_h) $(gdbcmd_h) \
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300
gdb/amd64fbsd-nat.c
Normal file
300
gdb/amd64fbsd-nat.c
Normal file
@ -0,0 +1,300 @@
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/* Native-dependent code for FreeBSD/amd64.
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Copyright 2003 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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|
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "defs.h"
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#include "inferior.h"
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#include "regcache.h"
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#include "gdb_assert.h"
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#include <signal.h>
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#include <stddef.h>
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#include <sys/types.h>
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#include <sys/ptrace.h>
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#include <sys/sysctl.h>
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#include <machine/reg.h>
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#ifdef HAVE_SYS_PROCFS_H
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#include <sys/procfs.h>
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#endif
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#ifndef HAVE_GREGSET_T
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typedef struct reg gregset_t;
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#endif
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#ifndef HAVE_FPREGSET_T
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typedef struct fpreg fpregset_t;
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#endif
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#include "gregset.h"
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#include "x86-64-tdep.h"
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/* Offset to the gregset_t location where REG is stored. */
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#define REG_OFFSET(reg) offsetof (gregset_t, reg)
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/* At reg_offset[REGNO] you'll find the offset to the gregset_t
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location where the GDB register REGNO is stored. Unsupported
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registers are marked with `-1'. */
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static int reg_offset[] =
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{
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REG_OFFSET (r_rax),
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REG_OFFSET (r_rbx),
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REG_OFFSET (r_rcx),
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REG_OFFSET (r_rdx),
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REG_OFFSET (r_rsi),
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REG_OFFSET (r_rdi),
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REG_OFFSET (r_rbp),
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REG_OFFSET (r_rsp),
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REG_OFFSET (r_r8),
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REG_OFFSET (r_r9),
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REG_OFFSET (r_r10),
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REG_OFFSET (r_r11),
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REG_OFFSET (r_r12),
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REG_OFFSET (r_r13),
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REG_OFFSET (r_r14),
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REG_OFFSET (r_r15),
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REG_OFFSET (r_rip),
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REG_OFFSET (r_rflags),
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-1,
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-1,
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-1,
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-1
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};
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#define REG_ADDR(regset, regno) ((char *) (regset) + reg_offset[regno])
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/* Macro to determine if a register is fetched with PT_GETREGS. */
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#define GETREGS_SUPPLIES(regno) \
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((0 <= (regno) && (regno) < X86_64_NUM_GREGS))
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/* Transfering the registers between GDB, inferiors and core files. */
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/* Fill GDB's register array with the general-purpose register values
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in *GREGSETP. */
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void
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supply_gregset (gregset_t *gregsetp)
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{
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int i;
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for (i = 0; i < X86_64_NUM_GREGS; i++)
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{
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if (reg_offset[i] == -1)
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supply_register (i, NULL);
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else
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supply_register (i, REG_ADDR (gregsetp, i));
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}
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}
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/* Fill register REGNO (if it is a general-purpose register) in
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*GREGSETPS with the value in GDB's register array. If REGNO is -1,
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do this for all registers. */
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void
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fill_gregset (gregset_t *gregsetp, int regno)
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{
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int i;
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for (i = 0; i < X86_64_NUM_GREGS; i++)
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if ((regno == -1 || regno == i) && reg_offset[i] != -1)
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regcache_collect (i, REG_ADDR (gregsetp, i));
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}
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/* Fill GDB's register array with the floating-point register values
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in *FPREGSETP. */
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void
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supply_fpregset (fpregset_t *fpregsetp)
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{
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x86_64_supply_fxsave ((char *) fpregsetp);
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}
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/* Fill register REGNO (if it is a floating-point register) in
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*FPREGSETP with the value in GDB's register array. If REGNO is -1,
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do this for all registers. */
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void
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fill_fpregset (fpregset_t *fpregsetp, int regno)
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{
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x86_64_fill_fxsave ((char *) fpregsetp, regno);
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}
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/* Fetch register REGNO from the inferior. If REGNO is -1, do this
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for all registers (including the floating point registers). */
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void
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fetch_inferior_registers (int regno)
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{
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if (regno == -1 || GETREGS_SUPPLIES (regno))
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{
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gregset_t gregs;
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if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
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(PTRACE_ARG3_TYPE) &gregs, 0) == -1)
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perror_with_name ("Couldn't get registers");
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supply_gregset (&gregs);
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if (regno != -1)
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return;
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}
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if (regno == -1 || regno >= FP0_REGNUM)
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{
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fpregset_t fpregs;
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if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
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(PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
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perror_with_name ("Couldn't get floating point status");
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supply_fpregset (&fpregs);
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}
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}
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/* Store register REGNO back into the inferior. If REGNO is -1, do
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this for all registers (including the floating point registers). */
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void
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store_inferior_registers (int regno)
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{
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if (regno == -1 || GETREGS_SUPPLIES (regno))
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{
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gregset_t gregs;
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if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
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(PTRACE_ARG3_TYPE) &gregs, 0) == -1)
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perror_with_name ("Couldn't get registers");
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fill_gregset (&gregs, regno);
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if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
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(PTRACE_ARG3_TYPE) &gregs, 0) == -1)
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perror_with_name ("Couldn't write registers");
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if (regno != -1)
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return;
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}
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if (regno == -1 || regno >= FP0_REGNUM)
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{
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fpregset_t fpregs;
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if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
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(PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
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perror_with_name ("Couldn't get floating point status");
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fill_fpregset (&fpregs, regno);
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if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid),
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(PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
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perror_with_name ("Couldn't write floating point status");
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}
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}
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/* Provide a prototype to silence -Wmissing-prototypes. */
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void _initialize_amd64fbsd_nat (void);
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void
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_initialize_am64fbsd_nat (void)
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{
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int offset;
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/* To support the recognition of signal handlers, i386bsd-tdep.c
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hardcodes some constants. Inclusion of this file means that we
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are compiling a native debugger, which means that we can use the
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system header files and sysctl(3) to get at the relevant
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|
information. */
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extern int amd64fbsd_sc_reg_offset[];
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#define SC_REG_OFFSET amd64fbsd_sc_reg_offset
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/* We only check the program counter, stack pointer and frame
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pointer since these members of `struct sigcontext' are essential
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for providing backtraces. */
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#define SC_RIP_OFFSET SC_REG_OFFSET[X86_64_RIP_REGNUM]
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|
#define SC_RSP_OFFSET SC_REG_OFFSET[X86_64_RSP_REGNUM]
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#define SC_RBP_OFFSET SC_REG_OFFSET[X86_64_RBP_REGNUM]
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/* Override the default value for the offset of the program counter
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|
in the sigcontext structure. */
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|
offset = offsetof (struct sigcontext, sc_rip);
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|
if (SC_RIP_OFFSET != offset)
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|
{
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warning ("\
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offsetof (struct sigcontext, sc_rip) yields %d instead of %d.\n\
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|
Please report this to <bug-gdb@gnu.org>.",
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offset, SC_RIP_OFFSET);
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|
}
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|
SC_RIP_OFFSET = offset;
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||||||
|
/* Likewise for the stack pointer. */
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offset = offsetof (struct sigcontext, sc_rsp);
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|
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||||||
|
if (SC_RSP_OFFSET != offset)
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||||||
|
{
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|
warning ("\
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|
offsetof (struct sigcontext, sc_rsp) yields %d instead of %d.\n\
|
||||||
|
Please report this to <bug-gdb@gnu.org>.",
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||||||
|
offset, SC_RSP_OFFSET);
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||||||
|
}
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||||||
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||||||
|
SC_RSP_OFFSET = offset;
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||||||
|
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||||||
|
/* And the frame pointer. */
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||||||
|
offset = offsetof (struct sigcontext, sc_rbp);
|
||||||
|
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||||||
|
if (SC_RBP_OFFSET != offset)
|
||||||
|
{
|
||||||
|
warning ("\
|
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|
offsetof (struct sigcontext, sc_rbp) yields %d instead of %d.\n\
|
||||||
|
Please report this to <bug-gdb@gnu.org>.",
|
||||||
|
offset, SC_RBP_OFFSET);
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||||||
|
}
|
||||||
|
|
||||||
|
SC_RBP_OFFSET = offset;
|
||||||
|
|
||||||
|
/* FreeBSD provides a kern.ps_strings sysctl that we can use to
|
||||||
|
locate the sigtramp. That way we can still recognize a sigtramp
|
||||||
|
if its location is changed in a new kernel. Of course this is
|
||||||
|
still based on the assumption that the sigtramp is placed
|
||||||
|
directly under the location where the program arguments and
|
||||||
|
environment can be found. */
|
||||||
|
{
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||||||
|
int mib[2];
|
||||||
|
int ps_strings;
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||||||
|
size_t len;
|
||||||
|
|
||||||
|
extern CORE_ADDR amd64fbsd_sigtramp_start;
|
||||||
|
extern CORE_ADDR amd64fbsd_sigtramp_end;
|
||||||
|
|
||||||
|
mib[0] = CTL_KERN;
|
||||||
|
mib[1] = KERN_PS_STRINGS;
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||||||
|
len = sizeof (ps_strings);
|
||||||
|
if (sysctl (mib, 2, &ps_strings, &len, NULL, 0) == 0)
|
||||||
|
{
|
||||||
|
amd64fbsd_sigtramp_start = ps_strings - 32;
|
||||||
|
amd64fbsd_sigtramp_end = ps_strings;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
108
gdb/amd64fbsd-tdep.c
Normal file
108
gdb/amd64fbsd-tdep.c
Normal file
@ -0,0 +1,108 @@
|
|||||||
|
/* Target-dependent code for FreeBSD/amd64.
|
||||||
|
Copyright 2003 Free Software Foundation, Inc.
|
||||||
|
|
||||||
|
This file is part of GDB.
|
||||||
|
|
||||||
|
This program is free software; you can redistribute it and/or modify
|
||||||
|
it under the terms of the GNU General Public License as published by
|
||||||
|
the Free Software Foundation; either version 2 of the License, or
|
||||||
|
(at your option) any later version.
|
||||||
|
|
||||||
|
This program is distributed in the hope that it will be useful,
|
||||||
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
GNU General Public License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License
|
||||||
|
along with this program; if not, write to the Free Software
|
||||||
|
Foundation, Inc., 59 Temple Place - Suite 330,
|
||||||
|
Boston, MA 02111-1307, USA. */
|
||||||
|
|
||||||
|
#include "defs.h"
|
||||||
|
#include "arch-utils.h"
|
||||||
|
#include "frame.h"
|
||||||
|
#include "gdbcore.h"
|
||||||
|
#include "regcache.h"
|
||||||
|
#include "osabi.h"
|
||||||
|
|
||||||
|
#include "gdb_string.h"
|
||||||
|
|
||||||
|
#include "x86-64-tdep.h"
|
||||||
|
|
||||||
|
/* Support for signal handlers. */
|
||||||
|
|
||||||
|
/* Assuming NEXT_FRAME is for a frame following a BSD sigtramp
|
||||||
|
routine, return the address of the associated sigcontext structure. */
|
||||||
|
|
||||||
|
static CORE_ADDR
|
||||||
|
amd64fbsd_sigcontext_addr (struct frame_info *next_frame)
|
||||||
|
{
|
||||||
|
char buf[8];
|
||||||
|
CORE_ADDR sp;
|
||||||
|
|
||||||
|
frame_unwind_register (next_frame, X86_64_RSP_REGNUM, buf);
|
||||||
|
sp = extract_unsigned_integer (buf, 8);
|
||||||
|
|
||||||
|
return read_memory_unsigned_integer (sp + 16, 8);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* FreeBSD 5.1-RELEASE or later. */
|
||||||
|
|
||||||
|
/* Location of the signal trampoline. */
|
||||||
|
CORE_ADDR amd64fbsd_sigtramp_start = 0x7fffffffc0;
|
||||||
|
CORE_ADDR amd64fbsd_sigtramp_end = 0x7fffffffe0;
|
||||||
|
|
||||||
|
/* From <machine/signal.h>. */
|
||||||
|
int amd64fbsd_sc_reg_offset[X86_64_NUM_GREGS] =
|
||||||
|
{
|
||||||
|
24 + 14 * 8, /* %rax */
|
||||||
|
24 + 11 * 8, /* %rbx */
|
||||||
|
24 + 13 * 8, /* %rcx */
|
||||||
|
24 + 12 * 8, /* %rdx */
|
||||||
|
24 + 9 * 8, /* %rsi */
|
||||||
|
24 + 8 * 8, /* %rdi */
|
||||||
|
24 + 10 * 8, /* %rbp */
|
||||||
|
24 + 20 * 8, /* %rsp */
|
||||||
|
24 + 7 * 8, /* %r8 */
|
||||||
|
24 + 6 * 8, /* %r9 */
|
||||||
|
24 + 5 * 8, /* %r10 */
|
||||||
|
24 + 4 * 8, /* %r11 */
|
||||||
|
24 + 3 * 8, /* %r12 */
|
||||||
|
24 + 2 * 8, /* %r13 */
|
||||||
|
24 + 1 * 8, /* %r14 */
|
||||||
|
24 + 0 * 8, /* %r15 */
|
||||||
|
24 + 17 * 8, /* %rip */
|
||||||
|
24 + 19 * 8, /* %eflags */
|
||||||
|
-1, /* %ds */
|
||||||
|
-1, /* %es */
|
||||||
|
-1, /* %fs */
|
||||||
|
-1 /* %gs */
|
||||||
|
};
|
||||||
|
|
||||||
|
void
|
||||||
|
amd64fbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
|
||||||
|
{
|
||||||
|
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
||||||
|
|
||||||
|
/* Obviously FreeBSD is BSD-based. */
|
||||||
|
i386bsd_init_abi (info, gdbarch);
|
||||||
|
|
||||||
|
x86_64_init_abi (info, gdbarch);
|
||||||
|
|
||||||
|
tdep->sigtramp_start = amd64fbsd_sigtramp_start;
|
||||||
|
tdep->sigtramp_end = amd64fbsd_sigtramp_start;
|
||||||
|
tdep->sigcontext_addr = amd64fbsd_sigcontext_addr;
|
||||||
|
tdep->sc_reg_offset = amd64fbsd_sc_reg_offset;
|
||||||
|
tdep->sc_num_regs = X86_64_NUM_GREGS;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/* Provide a prototype to silence -Wmissing-prototypes. */
|
||||||
|
void _initialize_amd64fbsd_tdep (void);
|
||||||
|
|
||||||
|
void
|
||||||
|
_initialize_amd64fbsd_tdep (void)
|
||||||
|
{
|
||||||
|
gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64,
|
||||||
|
GDB_OSABI_FREEBSD_ELF, amd64fbsd_init_abi);
|
||||||
|
}
|
||||||
7
gdb/config/i386/fbsd64.mh
Normal file
7
gdb/config/i386/fbsd64.mh
Normal file
@ -0,0 +1,7 @@
|
|||||||
|
# Host: FreeBSD/amd64
|
||||||
|
|
||||||
|
XM_FILE= xm-i386.h
|
||||||
|
|
||||||
|
NAT_FILE= nm-fbsd64.h
|
||||||
|
# NOTE: Do not spread NATDEPFILES over several lines - it hurts BSD make.
|
||||||
|
NATDEPFILES= fork-child.o infptrace.o inftarg.o solib.o solib-svr4.o solib-legacy.o corelow.o core-regset.o amd64fbsd-nat.o gcore.o fbsd-proc.o
|
||||||
2
gdb/config/i386/fbsd64.mt
Normal file
2
gdb/config/i386/fbsd64.mt
Normal file
@ -0,0 +1,2 @@
|
|||||||
|
# Target: FreeBSD/amd64
|
||||||
|
TDEPFILES= x86-64-tdep.o amd64fbsd-tdep.o i386-tdep.o i387-tdep.o i386bsd-tdep.o
|
||||||
42
gdb/config/i386/nm-fbsd64.h
Normal file
42
gdb/config/i386/nm-fbsd64.h
Normal file
@ -0,0 +1,42 @@
|
|||||||
|
/* Native-dependent definitions for FreeBSD/amd64.
|
||||||
|
Copyright 2003
|
||||||
|
Free Software Foundation, Inc.
|
||||||
|
|
||||||
|
This file is part of GDB.
|
||||||
|
|
||||||
|
This program is free software; you can redistribute it and/or modify
|
||||||
|
it under the terms of the GNU General Public License as published by
|
||||||
|
the Free Software Foundation; either version 2 of the License, or
|
||||||
|
(at your option) any later version.
|
||||||
|
|
||||||
|
This program is distributed in the hope that it will be useful,
|
||||||
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
GNU General Public License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License
|
||||||
|
along with this program; if not, write to the Free Software
|
||||||
|
Foundation, Inc., 59 Temple Place - Suite 330,
|
||||||
|
Boston, MA 02111-1307, USA. */
|
||||||
|
|
||||||
|
#ifndef NM_FBSD64_H
|
||||||
|
#define NM_FBSD64_H
|
||||||
|
|
||||||
|
/* Type of the third argument to the `ptrace' system call. */
|
||||||
|
#define PTRACE_ARG3_TYPE caddr_t
|
||||||
|
|
||||||
|
/* Override copies of {fetch,store}_inferior_registers in `infptrace.c'. */
|
||||||
|
#define FETCH_INFERIOR_REGISTERS
|
||||||
|
|
||||||
|
/* Override child_pid_to_exec_file in 'inftarg.c'. */
|
||||||
|
#define CHILD_PID_TO_EXEC_FILE
|
||||||
|
|
||||||
|
/* We can attach and detach. */
|
||||||
|
#define ATTACH_DETACH
|
||||||
|
|
||||||
|
|
||||||
|
/* Shared library support. */
|
||||||
|
|
||||||
|
#include "solib.h"
|
||||||
|
|
||||||
|
#endif /* nm-fbsd64.h */
|
||||||
@ -151,5 +151,6 @@ vax-*-ultrix2*) gdb_host=vaxult2 ;;
|
|||||||
vax-*-ultrix*) gdb_host=vaxult ;;
|
vax-*-ultrix*) gdb_host=vaxult ;;
|
||||||
|
|
||||||
x86_64-*-linux*) gdb_host=x86-64linux ;;
|
x86_64-*-linux*) gdb_host=x86-64linux ;;
|
||||||
|
x86_64-*-freebsd*) gdb_host=fbsd64 ;;
|
||||||
|
|
||||||
esac
|
esac
|
||||||
|
|||||||
@ -37,6 +37,7 @@ esac
|
|||||||
|
|
||||||
case "${target}" in
|
case "${target}" in
|
||||||
|
|
||||||
|
x86_64-*-freebsd*) gdb_target=fbsd64 ;;
|
||||||
*-*-freebsd*) gdb_target=fbsd
|
*-*-freebsd*) gdb_target=fbsd
|
||||||
;;
|
;;
|
||||||
|
|
||||||
@ -264,6 +265,7 @@ esac
|
|||||||
|
|
||||||
case "${gdb_target}" in
|
case "${gdb_target}" in
|
||||||
d10v) gdb_multi_arch=yes ;;
|
d10v) gdb_multi_arch=yes ;;
|
||||||
|
fbsd64) gdb_multi_arch=yes ;;
|
||||||
m68hc11) gdb_multi_arch=yes ;;
|
m68hc11) gdb_multi_arch=yes ;;
|
||||||
mn10300) gdb_multi_arch=yes ;;
|
mn10300) gdb_multi_arch=yes ;;
|
||||||
x86-64linux) gdb_multi_arch=yes ;;
|
x86-64linux) gdb_multi_arch=yes ;;
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user